US11138930B2 - Pixel structure, display panel and control method for the display panel - Google Patents
Pixel structure, display panel and control method for the display panel Download PDFInfo
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
Definitions
- the present disclosure relates to a field of display technology, and more particular to a pixel structure, a display panel and a control method for the display panel.
- AMOLED Active-matrix organic light-emitting diode
- OLED Organic Light Emitting Diode
- an option is to reduce the number of sub-pixels, through a method of borrowing adjacent sub-pixels from adjacent pixels, a full-color display effect could be simulated, thereby creating various pixel arrangements.
- it is still hard to meet the life expectancy.
- a technical problem mainly solved by the present disclosure is to increase a pixel aperture ratio, enhance a display effect and prolong a service life of productions by providing a pixel structure, a display panel and a control method for the display panel.
- the pixel structure could include a plurality of pixel units arranged in a matrix along a first direction and a second direction.
- Each of the pixel units could include a first sub-pixel, a second sub-pixel and a third sub-pixel.
- the third sub-pixel could be arranged in a line along the first direction, while the first sub-pixel and the second sub-pixel could be arranged in another line along the first direction.
- the second sub-pixel could have a light emitting area greater than that of the third sub-pixel, the third sub-pixel could have a light emitting area greater than that of the first sub-pixel.
- the first direction and the second direction could be intersected with each other.
- the display panel could include a pixel structure.
- the pixel structure could include a plurality of pixel units arranged in a matrix along a first direction and a second direction.
- Each of the pixel units could include a first sub-pixel, a second sub-pixel and a third sub-pixel.
- the third sub-pixel could be arranged in a line along the first direction, while the first sub-pixel and the second sub-pixel could be arranged in another line along the first direction.
- the second sub-pixel could have a light emitting area greater than that of the third sub-pixel, the third sub-pixel could have a light emitting area greater than that of the first sub-pixel.
- the first direction and the second direction could be intersected with each other.
- a further technical solution adopted by the present disclosure is providing a control method for a display panel.
- the method could include: outputting a scan signal to each sub-pixel in each line of pixel units, to control a conduction of a thin film transistor connecting to each sub-pixel in each line of pixel units; in a first time period, outputting a data signal to each sub-pixel in the j-th, (j+1)-th . . . (j+i)-th rows of pixel units to enable the sub-pixel to emit light; in a second time period, outputting a data signal to each sub-pixel in the k-th, (k+1)-th . . .
- pixel units in the j-th line and pixel units in the (j+1)-th line could be in the first direction;
- a pixel unit in the k-th line could be a combination of sub-pixels in the j-th line and the (j+1)-th line of pixel units adjacent in the second direction.
- the third sub-pixel could be arranged in one line, the first sub-pixel and the second sub-pixel could be arranged in another line, and the second sub-pixel could have a light emitting area greater than that of the third sub-pixel, the third sub-pixel could have a light emitting area greater than that of the first sub-pixel.
- a pixel aperture ratio could be increased, a display effect could be enhanced and a service life of the production could be prolonged.
- FIG. 1 is a schematic structural diagram of a pixel structure according a first embodiment of the present disclosure.
- FIG. 1 a is a schematic structural diagram of a pixel unit in FIG. 1 .
- FIG. 2 is a schematic structural diagram of a pixel structure according to a second embodiment of the present disclosure.
- FIG. 3 is a schematic structural diagram of a display panel in the present disclosure.
- FIG. 4 is a schematic diagram of a display method for a display panel in the present disclosure.
- FIG. 1 is a schematic structural diagram of a pixel structure according to a first embodiment of the present disclosure.
- the first direction is referred to as a column direction (a vertical direction, a Y direction)
- the second direction is referred to as the row direction (a transverse direction, an X direction).
- the first direction and the second direction are perpendicular to each other.
- the pixel structure could include multiple pixel units 104 .
- the multiple pixel units 104 could be arranged in a matrix.
- Each pixel unit 104 could include a first sub-pixel 101 , a second sub-pixel 102 and a third sub-pixel 103 .
- the third sub-pixel 103 could be arranged in one column, the first sub-pixel 101 and the second sub-pixel 102 could be arranged in another column.
- the second sub-pixel 102 could have a light emitting area greater than that of the third sub-pixel 103 .
- the third sub-pixel 103 could have a light emitting area greater than that of the first sub-pixel 101 .
- a sum of a length of the first sub-pixel 101 and a length of the second sub-pixel 102 along the first direction could be greater than a length of the third sub-pixel 103 along the first direction.
- a projection of the third sub-pixel 103 along the second direction could be at least partially overlapped with a projection of the first sub-pixel 101 along the second direction and a projection of the second sub-pixel 102 along the second direction.
- the current pixel arrangement structure could increase the traverse pixel gap of the screen, thereby facilitating the array wiring and evaporation of organic light-emitting diodes.
- the first sub-pixel 101 could be a red sub-pixel
- the second sub-pixel 102 could be a green sub-pixel
- the third sub-pixel 103 could be a blue sub-pixel.
- the first sub-pixel 101 could include a light emitting area 109 and a non light emitting area 110 .
- the second sub-pixel 102 could include a light emitting area 107 and a non light emitting area 108 .
- the third sub-pixel 103 could include a light emitting area 105 and a non light emitting area 106 .
- the light emitting area 107 of the second sub-pixel 102 could be greater than the light emitting area 105 of the third sub-pixel 103 .
- the light emitting area 105 of the third sub-pixel 103 could be greater than the light emitting area 109 of the first sub-pixel 101 .
- the ratio of the light emitting area 109 of the first sub-pixel 101 to the light emitting area 107 of the second sub-pixel 102 to the light emitting area 105 of the third sub-pixel 103 could be 1:1.84:1.68.
- the first sub-pixel 101 (the red sub-pixel) could have a smallest light-emitting area
- the second sub-pixel 102 (the green sub-pixel) could have a larger light emitting area
- the third sub-pixel 103 (the blue sub-pixel) could have the largest light-emitting area.
- a brightness of the second sub-pixel 102 (the green sub-pixel) could contribute most to a brightness of the white light. Therefore, the light emitting area of the second sub-pixel 102 (the green sub-pixel) could be increased, thus the light emitting area of the second sub-pixel 102 (the green sub-pixel) could be greater than the light emitting area of the third sub-pixel 103 (the blue sub-pixel), a ratio among the first sub-pixel 101 , the second sub-pixel 102 and the third sub-pixel 103 in the light-emitting area could be 1:1.84:1.68, thereby enhancing the display effect of the organic light emitting diode.
- a cathode, an anode and an electroluminescent layer could be included in a light emitting area of each sub-pixel area.
- the electroluminescent layer could be arranged between the cathode and the anode to generate light rays with predefined color to enable the display.
- evaporation process could be usually employed to form electroluminescent layers with corresponding color (red, green or blue).
- multiple pixel units 104 could be arranged in a pixel array.
- multiple pixel units 104 in the n-th row could be engaged with multiple pixel units 104 in the (n+1)-th row.
- the third sub-pixel of the i-th pixel unit 104 in the n-th row could be aligned with the first sub-pixel and the second sub-pixel of the i-th pixel unit 104 in the (n+1)-th row.
- the first sub-pixel and the second sub-pixel of the i-th pixel unit 104 in the n-th row could be aligned with the third sub-pixel of the i-th pixel unit 104 in the (n+1) row.
- multiple pixel units 104 in the n-th row could be arranged in a same mode to that of multiple pixel units 104 in the (n+2) row.
- each row of pixel units 104 could include three sub-pixels of different colors along the first direction.
- sub-pixels of a same color do not constituent a row independently.
- sub-pixels of other colors could be interspersed therebetween, thereby increasing the display consistency greatly.
- the pixel units 104 could be divided into the first row, the second row, the third row . . . the n-th row, the (n+1)-th row, and the i-th pixel unit 104 in the n-th row could be denoted as (n,i).
- multiple pixel units 104 in the n-th row could be engaged with multiple pixel units 104 in the (n+1)-th row (solid line frame), and the third sub-pixel 103 (the blue sub-pixel) of the i-th pixel unit 104 in the n-th row (n,i) could be aligned with the first sub-pixel 101 (the red sub-pixel) and the second sub-pixel 102 (the green sub-pixel) of the i-th pixel unit 104 in the (n+1)-th row (n+1,i), the first sub-pixel 101 (the red sub-pixel) and the second sub-pixel 102 (the green sub-pixel) of the i-th pixel unit 104 in the n-th row (n,i) could be aligned with the third sub-pixel 103 (the blue sub-pixel) of the i-th pixel unit 104 in the (n+1)-th row (n+1,i).
- the first sub-pixel 101 and the second sub-pixel 102 could be arranged on the right side
- the third sub-pixel 103 could be arranged on the left side
- the first sub-pixel 101 and the second sub-pixel 102 could be arranged on the left side
- the third sub-pixel 103 could be arranged on the right side.
- first sub-pixels 101 of all the pixel units 104 in a same row could be arranged in a straight line.
- Second sub-pixels 102 of all the pixel units 104 in the same row could be also arranged in a straight line.
- third sub-pixels 103 of all the pixel units 104 in the same row could be arranged in a straight line.
- shape of each of the first sub-pixel 101 , the second sub-pixel 102 and the third sub-pixel 103 could be quadrangle. In other embodiments, shapes of the first sub-pixel 101 , the second sub-pixel 102 and the third sub-pixel 103 could be one of triangular, quadrangle, pentagon, hexagon, octagon or any combination thereof, which is not limited here.
- a display clarity could be improved, and service life of products could be prolonged by increasing the light emitting area of the second sub-pixel 102 .
- FIG. 2 could be a schematic structural diagram of a pixel structure according to a second embodiment of the present disclosure.
- a difference between the present embodiment and the first embodiment could be that, the pixel structure shown in FIG. 1 could be rotated 90 degrees clockwise, such that rows and columns could be interchanged.
- the first direction could be still referred to as the column direction (the vertical direction, the Y direction), and the second direction as the row direction (the traverse direction, the X direction)
- the first sub-pixel 101 (the red sub-pixel) and the second sub-pixel 102 (the green sub-pixel) could be arranged in one row
- the third sub-pixel 103 (the blue sub-pixel) could be arranged in another row.
- the second sub-pixel could have a light emitting area greater than that of the third sub-pixel 103 .
- the third sub-pixel 103 could have a light emitting area greater than that of the first sub-pixel 101 .
- a sum of a length of the first sub-pixel 101 along the second direction and a length of the second sub-pixel 102 along the second direction could be greater than a total length of the third sub-pixel 103 along the second direction.
- the projection of the third sub-pixel 103 along the first direction could be at least partially overlapped with the projection of the first sub-pixel 101 along the first direction and the projection of the second sub-pixel 102 along the first direction.
- T 1 :T 2 3:2.
- FIG. 3 is a schematic structural diagram of a display panel in the present disclosure.
- the display panel 700 could include a pixel structure 701 of any above-mentioned embodiments.
- the pixel structure 701 could be transversely connected to a scan drive chip, and could be connected to a data drive chip 703 along the longitudinal direction.
- a scan line could be connected between each sub-pixel of the pixel structure and the scan drive chip 702 , to receive a scan signal from the scan chip.
- a data line could be connected between each sub-pixel of the pixel structure and the data drive chip 703 , to receive a data signal from the data drive chip.
- the display panel 700 could be an organic light-emitting display panel, and could be applied to any product or component having a display function, such as a mobile phone, a tablet computer, a television, a display screen, a notebook computer, a digital photo frame, or a navigator. Other components and functions of the display panel could be identical to those of the existing display panel, and will not be repeated here.
- each pixel unit 104 of the pixel arrangement 502 in the display panel could be transversely (the second direction, the X direction) connected to the scan drive chip (as is shown in FIG. 3 by 702 ), to receive a scan signal from the scan drive chip.
- Each pixel unit 104 of the pixel arrangement 502 in the display panel could be connected to the data drive chip (as is shown in FIG. 3 by 703 ) along a column direction(the first direction, the Y direction), to receive a data signal from the data drive chip.
- the scan driver chip could output scan signals to each sub-pixel in each row of pixel units 104 to control the conduction of a thin-film transistor (not shown in the figures) connected to each sub-pixel in each row of pixel units.
- the data drive chip could output data signals to each sub-pixel, to control each sub-pixel to emit light. It should be noted that, each sub-pixel in the pixel structure could be connected to a scan line and a data line (not shown in the figures).
- Sub-pixels of the pixel structure could be all transversely connected to a scan drive chip and could be connected to a data drive chip in the longitudinal direction.
- Each sub-pixel in each row of pixel units 104 of the pixel structure could receive a scan signal from the scan drive chip, to control the conduction of a thin film transistor connecting to each sub-pixel in each row of pixel units.
- sub-pixels in the j-th, (j+1)-th, (j+2)th . . . (j+i)-th rows of pixel units 104 could receive data signals from the data drive chip and emit light.
- sub-pixels in the k-th, (k+1)-th, (k+2)th . . . (k+i)-th rows of pixel units 104 could receive voltage signals from the data drive chip and then emit light.
- (k+i)-th rows of pixel units 104 could receive voltage signals from the data drive chip and then emit light.
- sub-pixels in the j-th, (j+1)th, (j+2)th . . . (j+i)th rows of pixel units 104 could receive data signals from the data drive chip and then emit light.
- An interval time between the first time period and the second time period could be very short, and since the present pixel structure increases the pixel aperture ratio, the display brightness could remain unchanged.
- the third sub-pixels of the j-th, (j+2)-th, (j+4)-th . . . rows of pixel units 104 and the first and the second sub-pixels of the (j+1)-th, (j+3)-th, (j+5)-th . . . rows of pixel units 104 could form the k-th, (k+1)-th, (k+2)-th, (k+3)-th . . . rows of pixel units; Or, in the second, fourth, sixth . . .
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US20210257417A1 (en) * | 2017-06-26 | 2021-08-19 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Display Substrate and Manufacturing Method Thereof, Display Panel and Display Device |
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US11037912B1 (en) | 2020-01-31 | 2021-06-15 | X Display Company Technology Limited | LED color displays with multiple LEDs connected in series and parallel in different sub-pixels of a pixel |
CN112366224B (en) * | 2020-11-24 | 2023-03-24 | 武汉天马微电子有限公司 | Display panel and display device |
CN118042878A (en) * | 2020-11-27 | 2024-05-14 | 京东方科技集团股份有限公司 | Display substrate and display device |
CN117133201B (en) * | 2023-10-19 | 2024-02-02 | 长春希达电子技术有限公司 | Arrangement structure, virtual pixel multiplexing mode and control method thereof |
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US20200357335A1 (en) | 2020-11-12 |
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